Fig. 3From: Chronological, geographical, and seasonal trends of human cases of avian influenza A (H5N1) in Vietnam, 2003–2014: a spatial analysisClustering of the incidence and mortality of human H5N1 in Vietnam from 2003 to 2014. Clustering of H5N1 cases (left panels) and mortality (right panels) in 2003–2014 a, b, 2003–2005 c, d, 2006–2009 e, f, and 2010–2014 g, h. Black areas represent the clusters of human H5N1 incidence (left panels) and mortality (right panels) due to H5N1 infection during each time periodBack to article page